Diodes Incorporated
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SMBJ78A-13
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SMBJ78A-13

Product Overview

Category

The SMBJ78A-13 belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

  • Fast response time
  • Low clamping voltage
  • High surge current capability
  • RoHS compliant

Package

The SMBJ78A-13 is available in a DO-214AA (SMB) package.

Essence

The essence of the SMBJ78A-13 lies in its ability to provide robust protection for electronic circuits against transient voltage events.

Packaging/Quantity

It is typically packaged in reels or trays and is available in quantities suitable for both prototyping and production.

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 78V
  • Maximum Clamping Voltage: 126V
  • Operating Temperature Range: -55°C to 150°C
  • Reverse Standoff Voltage: 78V
  • Leakage Current: 1µA

Detailed Pin Configuration

The SMBJ78A-13 TVS diode has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Bi-directional protection
  • Low incremental surge resistance
  • High temperature stability
  • ESD protection up to 30kV

Advantages

  • Provides reliable protection against transient voltage events
  • Fast response time ensures minimal impact on the protected circuit
  • Compact form factor for easy integration into circuit designs

Disadvantages

  • May require additional circuitry for overvoltage protection in some applications
  • Limited to specific voltage ranges

Working Principles

When a transient voltage event occurs, the SMBJ78A-13 TVS diode rapidly conducts excess current away from the protected circuit, clamping the voltage to a safe level and preventing damage to sensitive components.

Detailed Application Field Plans

The SMBJ78A-13 is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

  • SMAJ78A-13
  • SMCJ78A-13
  • P6SMBJ78A-13
  • 1.5SMCJ78A-13

In conclusion, the SMBJ78A-13 transient voltage suppressor diode offers robust protection, fast response time, and high surge current capability, making it an essential component in safeguarding electronic circuits from transient voltage events across various industries.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SMBJ78A-13 у технічних рішеннях

  1. What is the SMBJ78A-13?

    • The SMBJ78A-13 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMBJ78A-13?

    • The SMBJ78A-13 has a maximum voltage rating of 78V.

  3. What is the peak pulse power dissipation of the SMBJ78A-13?

    • The peak pulse power dissipation of the SMBJ78A-13 is 600W.

  4. What are the typical applications of the SMBJ78A-13?

    • The SMBJ78A-13 is commonly used in applications such as power supplies, telecommunications equipment, and automotive electronics to protect against voltage surges.

  5. What is the operating temperature range of the SMBJ78A-13?

    • The SMBJ78A-13 has an operating temperature range of -55°C to 150°C.

  6. What is the response time of the SMBJ78A-13?

    • The response time of the SMBJ78A-13 is very fast, typically in the nanosecond range.

  7. How does the SMBJ78A-13 provide protection?

    • The SMBJ78A-13 clamps the voltage to a safe level by diverting excess current away from sensitive components.

  8. Can the SMBJ78A-13 be used for overvoltage protection in automotive applications?

    • Yes, the SMBJ78A-13 is suitable for overvoltage protection in automotive applications due to its high surge capability.

  9. Is the SMBJ78A-13 RoHS compliant?

    • Yes, the SMBJ78A-13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. What are the key features of the SMBJ78A-13?

    • The key features of the SMBJ78A-13 include low clamping voltage, fast response time, and high surge capability, making it ideal for protecting sensitive electronics from voltage transients.